:root { color-scheme: light; --navy:#10226d; --blue:#10b9ef; --paper:#fff; --pink:#ff4aa8; --yellow:#ffe12d; }
* { box-sizing:border-box; }
body { margin:0; font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; color:var(--navy); background:linear-gradient(160deg,#5ee8ff,#0d7fe4 70%,#6247df); min-height:100vh; }
header,main,footer { width:min(760px,calc(100% - 32px)); margin:auto; }
header { padding:54px 0 20px; text-align:center; }
h1 { margin:0; font-size:clamp(36px,8vw,64px); line-height:1; font-weight:900; letter-spacing:-2px; text-shadow:0 3px 0 #fff; }
.tagline { font-weight:800; letter-spacing:2px; color:#fff; }
nav { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-top:24px; }
nav a,.button { color:var(--navy); background:var(--yellow); border-radius:999px; padding:10px 16px; text-decoration:none; font-weight:900; }
main { background:rgba(255,255,255,.96); border:3px solid rgba(255,255,255,.7); border-radius:30px; padding:clamp(22px,5vw,48px); box-shadow:0 22px 70px rgba(5,23,88,.28); }
h2 { margin-top:30px; font-size:22px; line-height:1.2; }
h2:first-child { margin-top:0; }
li { margin-bottom:8px; }
.notice { padding:14px 16px; background:#dffaff; border-left:5px solid var(--pink); border-radius:12px; }
footer { color:#fff; text-align:center; padding:28px 0 50px; font-size:13px; }
a { color:#1547bd; }